Home / 1,339,649,931.61-2,009,570,556.81-357,071,323.92

Finding the Fourth Proportional to 1,339,649,931.61, 2,009,570,556.81 and 357,071,323.92

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Solution

The fourth proportional to 1,339,649,931.61, 2,009,570,556.81 and 357,071,323.92 is: 535,632,483.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,649,931.61 : 2,009,570,556.81 = 357,071,323.92 : x
  2. Step 2: Convert to fraction form
    1,339,649,931.61/2,009,570,556.81 = 357,071,323.92/x
  3. Step 3: Cross multiply
    1,339,649,931.61x = 2,009,570,556.81 × 357,071,323.92
  4. Step 4: Simplify right side
    1,339,649,931.61x = 717,560,019,224,619,264
  5. Step 5: Solve for x
    x = 717,560,019,224,619,264/1,339,649,931.61
  6. Step 6: Final answer
    x = 535,632,483.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.